package com.ybg.base.util;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/** Spring Context 工具类
 * 
 * @author chenshun
 * @email sunlightcs@gmail.com
 * @date 2016年11月29日 下午11:45:51 */
@Component
public class SpringContextUtils implements ApplicationContextAware {
	
	public static ApplicationContext applicationContext;
	
	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		SpringContextUtils.applicationContext = applicationContext;
	}
	
	public static <T> T getBean(Class<T> clazz) {
		return applicationContext.getBean(clazz);
	}
	
	public static Object getBean(String name) {
		return applicationContext.getBean(name);
	}
	
	public static <T> T getBean(String name, Class<T> requiredType) {
		return applicationContext.getBean(name, requiredType);
	}
	
	public static boolean containsBean(String name) {
		return applicationContext.containsBean(name);
	}
	
	public static boolean isSingleton(String name) {
		return applicationContext.isSingleton(name);
	}
	
	public static Class<? extends Object> getType(String name) {
		return applicationContext.getType(name);
	}
}